Question

For f(x)=2x+1 and g(x)=x^2-7, find

◯ A.
B.
C.
D.
2x+1
3²-9
x²-7
2x+1
2x+1
ラ
x²-7
2x+1
x=-1212
(1)
(木)

Answer 1

-1468955

Explanation:

please don't forget to write down the correct questions and formula.

find f(x) of g(x)

f(x)=2x+1 and g(x)=x²-7

F of G = 2(x²-7)+1

= 2x²-14+1

= 2x²-13

according to the question x=-1212

so there for f(x) of g(x)=2(-1212)²-13

=-1468955